/*
 * Copyright 2002-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing, software
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package org.springframework.scheduling.support;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.UndeclaredThrowableException;

import org.springframework.util.ReflectionUtils;

Variant of MethodInvokingRunnable meant to be used for processing of no-arg scheduled methods. Propagates user exceptions to the caller, assuming that an error strategy for Runnables is in place.
Author:Juergen Hoeller
See Also:
Since:3.0.6
/** * Variant of {@link MethodInvokingRunnable} meant to be used for processing * of no-arg scheduled methods. Propagates user exceptions to the caller, * assuming that an error strategy for Runnables is in place. * * @author Juergen Hoeller * @since 3.0.6 * @see org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor */
public class ScheduledMethodRunnable implements Runnable { private final Object target; private final Method method;
Create a ScheduledMethodRunnable for the given target instance, calling the specified method.
Params:
  • target – the target instance to call the method on
  • method – the target method to call
/** * Create a {@code ScheduledMethodRunnable} for the given target instance, * calling the specified method. * @param target the target instance to call the method on * @param method the target method to call */
public ScheduledMethodRunnable(Object target, Method method) { this.target = target; this.method = method; }
Create a ScheduledMethodRunnable for the given target instance, calling the specified method by name.
Params:
  • target – the target instance to call the method on
  • methodName – the name of the target method
Throws:
/** * Create a {@code ScheduledMethodRunnable} for the given target instance, * calling the specified method by name. * @param target the target instance to call the method on * @param methodName the name of the target method * @throws NoSuchMethodException if the specified method does not exist */
public ScheduledMethodRunnable(Object target, String methodName) throws NoSuchMethodException { this.target = target; this.method = target.getClass().getMethod(methodName); }
Return the target instance to call the method on.
/** * Return the target instance to call the method on. */
public Object getTarget() { return this.target; }
Return the target method to call.
/** * Return the target method to call. */
public Method getMethod() { return this.method; } @Override public void run() { try { ReflectionUtils.makeAccessible(this.method); this.method.invoke(this.target); } catch (InvocationTargetException ex) { ReflectionUtils.rethrowRuntimeException(ex.getTargetException()); } catch (IllegalAccessException ex) { throw new UndeclaredThrowableException(ex); } } @Override public String toString() { return this.method.getDeclaringClass().getName() + "." + this.method.getName(); } }